Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

LonWorks node multi-I/O device based on nerve cell chip

A technology of neuron chips and equipment, applied in the field of I/O expansion technology based on neuron chips, can solve problems such as increasing hardware costs, difficulty in meeting the designer's requirements for I/O pins, and complicating problems, so as to reduce Effect of hardware cost

Inactive Publication Date: 2011-10-19
HARBIN INST OF TECH
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In general application systems, external I / O devices are usually accessed by using I / O objects, but in systems that need to connect multiple external application I / O devices, 11 I / O pins are difficult to meet the designer's requirements. Require
For larger application systems, a dedicated main processor can be added to the system for data collection and control, but in small applications, adding one more main processor will increase hardware costs and complicate the problem

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • LonWorks node multi-I/O device based on nerve cell chip
  • LonWorks node multi-I/O device based on nerve cell chip
  • LonWorks node multi-I/O device based on nerve cell chip

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The above and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.

[0018] see figure 1 As shown, it is a structural schematic diagram of a node of the present invention, and its node includes a neuron chip (Neuron3150), a transceiver, a power supply, a crystal oscillator and an external I / O device module, wherein,

[0019] The Neuron chip is not only the core of LonWorks technology but also the core of the intelligent node. There are three 8-bit microprocessors inside the Neuron 3150 chip: one for the control of the link layer, one for the control of the network layer, and one for the control of the network layer. Execute the user's application. The chip also contains 11 I / O ports and a complete LonTalk communication protocol, and has both communication and control functions; the transceiver is the core of the communication circuit, connecting the LonWorks bus and the ne...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a LonWorks node multi-I / O device based on a nerve cell chip, which solves the problem of difficulty in driving multiple I / O devices caused by lack of general I / O pins provided by the nerve cell chip under the condition of not introducing other processors. An application node hardware circuit comprises the nerve cell chip and peripheral circuits, the designated I / O interface of the nerve cell chip is connected with a plurality of buffers and latches through at least one chip select unit; the buffers and latches are respectively connected with one I / O device, and the designated I / O interface of the nerve cell chip is also directly connected with the buffers and latches; the implementation of the multi-I / O device based on nerve cell chip LonWorks node is composed of the following steps that each I / O device module selects the connection mode with the nerve cell chip; each I / O device module designs the interface circuits and decoding circuits; an application systemdesigns the software implementation scheme.

Description

technical field [0001] The invention relates to the I / O expansion technology in the communication field, in particular to an I / O expansion technology based on a Neuron chip applied in the LonWorks field bus. Background technique [0002] LonWorks fieldbus technology supports a variety of communication media in terms of hardware, has a powerful processor neuron chip, and supports all seven-layer communication protocols of the ISO / OSI model in terms of software and object-oriented design methods. It is used in industrial control, building automation, It is widely used in security protection and other fields. [0003] The neuron chip provides 11 general-purpose I / O pins, using the Neuron C language, which can be programmed to set the I / O pins to 34 different I / O objects, which is the link between the application I / O device and the neuron chip. provide a common interface. In general application systems, external I / O devices are usually accessed by using I / O objects, but in sys...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/10
Inventor 佟为明赵志衡林景波刘勇李璟李凤阁
Owner HARBIN INST OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products